these 3 derivations will be built:
  /nix/store/1ybmhrj1xyhrklrfz3cmz8w8agb76lzx-treefmt.toml.drv
  /nix/store/ryizw1i3r2mvm7v7gd30463bqcrd4r46-treefmt.drv
  /nix/store/2pmf676jgbi9il550xrhircxxc4sfzvm-treefmt-check.drv